Reduced incidence of hip fracture in the Old Order Amish.
D015502:Absorptiometry, Photon; D015519:Bone Density; D002835:Christianity; D005006:Ethnicity; D006620:Hip Fractures / Q000453:epidemiology / Q000208:ethnology*; D006801:Humans; D015994:Incidence; D010024:Osteoporosis / Q000453:epidemiology / Q000208:ethnology; D010414:Pennsylvania / Q000453:epidemiology